Re: 10 second questions

Re: 10 second questions

Hi bobbym and Maburo,

The solution #5136 is correct, bobbym! Good work!

The solutions #5135 and #5136 are correct, Maburo! Marvelous!

#5137. A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of this room leaving 18 inches space from the walls. What will be the cost of the mat at the rate of $3.50 per square feet?

#5138. 2 meters broad pathway is to be constructed around a rectangular plot on the inside. The area of the plot is 96 square meters. The rate of construction is $50 per square meter. Find the total cost of the construction.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Re: 10 second questions

Hi Maburo and bobbym,

The solution #5137 is correct. Marvelous, Maburo and bobbym!

#5139. Within a rectangular garden 10 meters wide and 20 meters long, we wish to pave a walk around the borders of uniform width so as to leave an area of 96 square meters for flowers. How wide should the walk be?

#5140. A rectangular lawn 55 meters by 35 meters has two roads each 4 meters wide running in the middle of it, one parallel to length and the other parallel to breadth. Find the cost of gravelling the roads at 75 cents per square meter.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Re: 10 second questions

Hi bobbym,

The solutions #5139 and #5140 are correct. Excellent!

#5141. A rectangular park 60 meters long and 40 meters wide has two concrete crossroads running in the middle of he park and the rest of the park has been used as a lawn. If the area of the lawn is 2109 square meters, then what is the width of the road?

#5142. A housing society has been allotted a square piee of land measuring 2550.25 square meters. What is the side of the plot?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Re: 10 second questions

The solutions #5141 and #5142 are correct. Excellent, bobbym and Maburo!

#5143. The cost of cultivating a square field at the rate of $135 per hectare is $1215. What would be the cost of putting a fence around it at the rate of 75 cents per meter?

#5144. The perimeters of five squares are 24 centimeters, 32 centimeters, 40 centimeters, 76 centimeters, and 80 centimeters respectively. Find the perimeter of another square equal in area to the sum of the areas of these squares.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Re: 10 second questions

Hi bobbym,

#5149. The perimeter of a square is 48 centimeters. The area of a rectangle is 4 square centimeters less than the area of the square. If the length of the rectangle is 14 centimeters, then find its perimeter.

#5150. The area of a rectangle is thrice that of a square. If the length of the rectangle is 40 centimeters and its breadth is 1.5 times that of the side of the square, then what is the side of the square?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.